NOS V1, better tube in the phase inverter, incorrect taper pots replaced. For more info, Subscribe to this channel, join us at PsionicAudio, or email us at info@psionicaudio.com.
Noisy old wires. The copolymers used in the insulation become old, crystalized, and everything can become contaminated by all sorts of things. Many ferroelectric materials have no iron in them at all. Add any signals around it and it makes unwanted noises. I majored in semiconductor design, which was not a very good choice at the time, unless I lived in Japan, Taiwan, Thailand, China, India... en.wikipedia.org/wiki/Piezoelectricity en.wikipedia.org/wiki/Triboelectric_effect en.wikipedia.org/wiki/Electric_dipole_moment en.wikipedia.org/wiki/Pyroelectricity en.wikipedia.org/wiki/Ferroelectricity
